449364649597 has 2 divisors, whose sum is σ = 449364649598.
Its totient is φ = 449364649596.
The previous prime is 449364649561. The next prime is 449364649607. The reversal of 449364649597 is 795946463944.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 347803883001 + 101560766596 = 589749^2 + 318686^2
It is a cyclic number.
It is not a de Polignac number, because 449364649597 - 223 = 449356260989 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (449364649297) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224682324798 + 224682324799.
It is an arithmetic number, because the mean of its divisors is an integer number (224682324799).
Almost surely, 2449364649597 is an apocalyptic number.
It is an amenable number.
449364649597 is a deficient number, since it is larger than the sum of its proper divisors (1).
449364649597 is an equidigital number, since it uses as much as digits as its factorization.
449364649597 is an evil number, because the sum of its binary digits is even.
The product of its digits is 705438720, while the sum is 70.
The spelling of 449364649597 in words is "four hundred forty-nine billion, three hundred sixty-four million, six hundred forty-nine thousand, five hundred ninety-seven".